$(document).ready(function(){
	/*$("#navigation li").hover(
		function(){ $(this).toggleClass("book") },
		function(){ $(this).toggleClass("book") }
	);*/

	$("#logo img").hover(
		function(){ $(this).toggleClass("logo-hover") },
		function(){ $(this).toggleClass("logo-hover") }
	);

	var curr_sign = 1;

	setInterval(function(){
		curr_sign++;
		if(curr_sign>12) {
			curr_sign = 1;
		}

		$("#img-sign").attr("src", "/images/sign" + (curr_sign<10?'0':'') + curr_sign + ".jpg");
	}, 2000);
});